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Interactive video lesson
plan for: A Brief History of Life: When Life Exploded

Activity overview:

Right at the beginning of the Paleozoic, there was a huge explosion of more complex life. And that’s when things started to get really interesting. This is our second installment on the history of life, but you can watch in any order you like!

For A Brief History of Life
Part 1: https://www.youtube.com/watch?v=7HiFxKK2yjU
Part 3: https://youtu.be/oGVFVX6NTLs
Part 4: https://youtu.be/b8sYfyQrs_Q